Track nut



FIG. 1 is a top perspective view of a track nut showing our design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof, the rear, left side, and right side views being identical;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The dot-dash broken lines represent boundaries and the portions within the dot-dash broken lines and the dot-dash broken lines themselves form no part of the claimed. design. The dashed broken lines illustrate structure or features which form no part of the claimed design. The grayscale shading represents contour, not color. 

CLAIM The ornamental design for a track nut, as shown and described. 